function activateField(ptr)
{
	var myClass = ptr.className;

	if((ptr.disabled != true) && (ptr.readOnly != true))
	{
		ptr.className = myClass + '_Selected';
	}
}

function inactivateField(ptr)
{
	var myClass = ptr.className;

	if((ptr.disabled != true) && (ptr.readOnly != true))
	{
		ptr.className = myClass.replace('_Selected',"");
	}
}